linux-kernel - Re: [PATCH] ftrace: set direct_ops storage-class-specifier to static

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Message-ID: <20230320135132.26b29f36@gandalf.local.home>
Date:   Mon, 20 Mar 2023 13:51:32 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Mark Rutland <mark.rutland@....com>
Cc:     Tom Rix <trix@...hat.com>, mhiramat@...nel.org,
        linux-kernel@...r.kernel.org, linux-trace-kernel@...r.kernel.org
Subject: Re: [PATCH] ftrace: set direct_ops storage-class-specifier to
 static

On Mon, 20 Mar 2023 17:44:13 +0000
Mark Rutland <mark.rutland@....com> wrote:

> On Sat, Mar 11, 2023 at 08:51:13AM -0500, Tom Rix wrote:
> > smatch reports this warning
> > kernel/trace/ftrace.c:2594:19: warning:
> >   symbol 'direct_ops' was not declared. Should it be static?
> > 
> > The variable direct_ops is only used in ftrace.c, so it should be static
> > 
> > Signed-off-by: Tom Rix <trix@...hat.com>  
> 
> This makes sense, and as this stands:
> 
> Acked-by: Mark Rutland <mark.rutland@....com>
> 
> ... but Florent's rework of the API is going to remove this anyway:
> 
>   https://lore.kernel.org/all/20230316173811.1223508-1-revest@chromium.org/
>   https://lore.kernel.org/all/20230316173811.1223508-4-revest@chromium.org/
> 
> ... so if we take Florent's series, this patch isn't necessary.

Except that it's already upstream:

  https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8732565549011cabbea08329a1aefd78a68d96c7

I had to rebase Florent's patch to accommodate this change.

-- Steve